/* 复用之前的基础样式 */
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

body {
	font-family: Arial, sans-serif;
	background: #f5f5f5;
}

/* 左侧菜单栏样式 */
.sidebar {
	position: fixed;
	left: 0;
	top: 0;
	bottom: 0;
	width: 200px;
	background: #24344d;
	color: white;
	padding: 40px 0 0 0;
	z-index: 1;
	margin-top: 65px;
}

.menu-item {
	padding: 15px 20px;
	display: flex;
	align-items: center;
	gap: 10px;
	cursor: pointer;
	color: #89a0b9;
	font-size: 14px;
	text-decoration: none;
}

.menu-item:hover {
	background: rgba(255, 255, 255, 0.1);
}

.menu-item i {
	font-size: 18px;
	color: #89a0b9;
}

/* 主要内容区域 */
.main-content {
	margin-left: 200px;
	padding: 0;
	margin-top: 65px;
}

/* 顶部导航 */
.nav-box {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	display: flex;
	justify-content: space-between;
	align-items: center;
	background: white;
	border-bottom: 1px solid #eee;
	padding: 15px 20px;
	z-index: 2;
	height: 65px;
}

.logo {
	display: flex;
	align-items: center;
	gap: 10px;
}

.logo img {
	width: 35px;
	height: 35px;
}

.logo h1 {
	font-size: 20px;
	color: #333;
}

/* 面包屑导航 */
.content-wrapper {
	background: white;
	margin: 1px 0;
	border-bottom: 1px solid #eee;
}

.breadcrumb {
	padding: 10px 20px;
	display: flex;
	justify-content: space-between;
	align-items: center;
	border-bottom: 1px solid #eee;
}

.breadcrumb-text {
	color: #666;
	font-size: 14px;
}

.admin-info {
	color: #666;
	font-size: 14px;
}

/* 新增管理员表单样式 */
.form-container {
	max-width: 460px;
	margin: 77px auto;
	background: white;
	padding: 30px;
	border-radius: 8px;
	box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.form-title {
	font-size: 24px;
	color: #333;
	margin-bottom: 30px;
	text-align: center;
}

.form-group {
	margin-bottom: 20px;
}

.form-label {
	display: block;
	margin-bottom: 8px;
	color: #333;
	font-size: 14px;
}

.form-input {
	width: 100%;
	padding: 10px;
	border: 1px solid #ddd;
	border-radius: 4px;
	font-size: 14px;
}

.form-input:focus {
	outline: none;
	border-color: #4a90e2;
	box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.2);
}

.form-buttons {
	display: flex;
	justify-content: center;
	gap: 15px;
	margin-top: 30px;
}

.btn {
	padding: 10px 24px;
	border-radius: 4px;
	font-size: 14px;
	cursor: pointer;
	border: none;
	transition: background-color 0.3s;
}

.btn-primary {
	background: #000;
	color: white;
}

.btn-primary:hover {
	background: #333;
}

.btn-secondary {
	background: #f5f5f5;
	color: #666;
	border: 1px solid #ddd;
}

.btn-secondary:hover {
	background: #eee;
}

#course-info-manage {
	background: #7c7d91;
	color: white;
}